netdev - [PATCH 1/1] mvneta: fix prefetch location

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Date:   Sun, 14 Jun 2020 09:11:28 +0200
From:   Sven Auhagen <sven.auhagen@...eatech.de>
To:     netdev@...r.kernel.org
Cc:     thomas.petazzoni@...tlin.com, brouer@...hat.com, lorenzo@...nel.org
Subject: [PATCH 1/1] mvneta: fix prefetch location

The packet header prefetch is at an offset
now. Correct the prefetch address.

Signed-off-by: Sven Auhagen <sven.auhagen@...eatech.de>
---
 drivers/net/ethernet/marvell/mvneta.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 51889770958d..344fc5f649b4 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -2229,7 +2229,7 @@ mvneta_swbm_rx_frame(struct mvneta_port *pp,
 				len, dma_dir);
 
 	/* Prefetch header */
-	prefetch(data);
+	prefetch(data + pp->rx_offset_correction + MVNETA_MH_SIZE);
 
 	xdp->data_hard_start = data;
 	xdp->data = data + pp->rx_offset_correction + MVNETA_MH_SIZE;
-- 
2.20.1